Examples with BufferUnderflowException java.nio.BufferUnderflowException used on opensource projects

Example 81 with BufferUnderflowException

use of java.nio.BufferUnderflowException in project cassandra by apache.

the class SetSerializer method validateForNativeProtocol.

public void validateForNativeProtocol(ByteBuffer bytes, ProtocolVersion version) {
    try {
        ByteBuffer input = bytes.duplicate();
        int n = readCollectionSize(input, version);
        for (int i = 0; i < n; i++) elements.validate(readValue(input, version));
        if (input.hasRemaining())
            throw new MarshalException("Unexpected extraneous bytes after set value");
    } catch (BufferUnderflowException e) {
        throw new MarshalException("Not enough bytes to read a set");
    }
}

Example 82 with BufferUnderflowException

use of java.nio.BufferUnderflowException in project hbase by apache.

the class MultiByteBuff method getInt.

private int getInt(int index, int itemIndex) {
    ByteBuffer item = items[itemIndex];
    int offsetInItem = index - this.itemBeginPos[itemIndex];
    int remainingLen = item.limit() - offsetInItem;
    if (remainingLen >= Bytes.SIZEOF_INT) {
        return ByteBufferUtils.toInt(item, offsetInItem);
    }
    if (items.length - 1 == itemIndex) {
        // means cur item is the last one and we wont be able to read a int. Throw exception
        throw new BufferUnderflowException();
    }
    ByteBuffer nextItem = items[itemIndex + 1];
    // Get available bytes from this item and remaining from next
    int l = 0;
    for (int i = offsetInItem; i < item.capacity(); i++) {
        l <<= 8;
        l ^= ByteBufferUtils.toByte(item, i) & 0xFF;
    }
    for (int i = 0; i < Bytes.SIZEOF_INT - remainingLen; i++) {
        l <<= 8;
        l ^= ByteBufferUtils.toByte(nextItem, i) & 0xFF;
    }
    return l;
}

Example 83 with BufferUnderflowException

use of java.nio.BufferUnderflowException in project cassandra by apache.

the class ListSerializer method getElement.

/**
     * Returns the element at the given index in a list.
     * @param serializedList a serialized list
     * @param index the index to get
     * @return the serialized element at the given index, or null if the index exceeds the list size
     */
public ByteBuffer getElement(ByteBuffer serializedList, int index) {
    try {
        ByteBuffer input = serializedList.duplicate();
        int n = readCollectionSize(input, ProtocolVersion.V3);
        if (n <= index)
            return null;
        for (int i = 0; i < index; i++) {
            int length = input.getInt();
            input.position(input.position() + length);
        }
        return readValue(input, ProtocolVersion.V3);
    } catch (BufferUnderflowException e) {
        throw new MarshalException("Not enough bytes to read a list");
    }
}

Example 84 with BufferUnderflowException

use of java.nio.BufferUnderflowException in project flink by apache.

the class MemorySegmentTestBase method testByteBufferOverflowUnderflow.

@Test
public void testByteBufferOverflowUnderflow() {
    try {
        final int bbCapacity = pageSize / 10;
        ByteBuffer bb = ByteBuffer.allocate(bbCapacity);
        MemorySegment seg = createSegment(pageSize);
        try {
            seg.get(pageSize / 5, bb, pageSize / 10 + 2);
            fail("should fail with an exception");
        } catch (BufferOverflowException ignored) {
        }
        // position / limit should not have been modified
        assertEquals(0, bb.position());
        assertEquals(bb.capacity(), bb.limit());
        try {
            seg.put(pageSize / 5, bb, pageSize / 10 + 2);
            fail("should fail with an exception");
        } catch (BufferUnderflowException ignored) {
        }
        // position / limit should not have been modified
        assertEquals(0, bb.position());
        assertEquals(bb.capacity(), bb.limit());
        int pos = bb.capacity() / 3;
        int limit = 2 * bb.capacity() / 3;
        bb.limit(limit);
        bb.position(pos);
        try {
            seg.get(20, bb, bb.capacity() / 3 + 3);
            fail("should fail with an exception");
        } catch (BufferOverflowException ignored) {
        }
        // position / limit should not have been modified
        assertEquals(pos, bb.position());
        assertEquals(limit, bb.limit());
        try {
            seg.put(20, bb, bb.capacity() / 3 + 3);
            fail("should fail with an exception");
        } catch (BufferUnderflowException ignored) {
        }
        // position / limit should not have been modified
        assertEquals(pos, bb.position());
        assertEquals(limit, bb.limit());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 85 with BufferUnderflowException

use of java.nio.BufferUnderflowException in project rest.li by linkedin.

the class BufferChain method remain.

private final ByteBuffer remain(int length) {
    ByteBuffer buffer;
    if (advanceBufferIfCurrentBufferHasNoRemaining() == false) {
        throw new BufferUnderflowException();
    }
    int remaining = _currentBuffer.remaining();
    if (remaining < length) {
        // out.println("remaining(" + length + ") " + remaining);
        byte[] bytes = new byte[length];
        _currentBuffer.get(bytes, 0, remaining);
        if (advanceBufferIfCurrentBufferHasNoRemaining() == false) {
            throw new BufferUnderflowException();
        }
        _currentBuffer.get(bytes, remaining, length - remaining);
        buffer = ByteBuffer.wrap(bytes);
        buffer.order(_order);
    } else {
        buffer = _currentBuffer;
    }
    return buffer;
}